Datasheet > 74LS191D

74LS191D

更新时间： 2024-11-18 08:25:47

品牌	Logo	应用领域
罗彻斯特 - ROCHESTER		/
页数	文件大小	规格书
15页	888K
描述
Decade Counter,

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74LS191D 数据手册

REI Datasheet

SN54190, SN54191, SN54LS190, SN54LS191

SN74190, SN74191, SN74LS190, SN74LS191

Synchronous Up/Down Counters with Down/Up Mode Control

The ‘190, ‘LS190, ‘191, and ‘LS191 are synchronous, reversible up/down counters having a

complexity of 58 equivalent gates. The ‘191 and ‘LS191 are 4-bit binary counters and the ‘190

and ‘LS190 are BCD counters. Synchronous operation is provided by having all ﬂip-ﬂops clocked

simultaneously so that the outputs change coincident with each other when so instructed by the

steering logic. This mode of operation eliminates the output counting spikes normally associated with

asynchronous (ripple clock) counters.

Quality Overview

Rochester Electronics

Manufactured Components

•

ISO-9001

AS9120 certiﬁcation

Qualiﬁed Manufacturers List (QML) MIL-PRF-38535

Rochester branded components are

manufactured using either die/wafers

purchased from the original suppliers

or Rochester wafers recreated from the

original IP. All recreations are done with

the approval of the OCM.

•

Class Q Military

Class V Space Level

•

Qualiﬁed Suppliers List of Distributors (QSLD)

•

Rochester is a critical supplier to DLA and

meets all industry and DLA standards.

Parts are tested using original factory

test programs or Rochester developed

test solutions to guarantee product

meets or exceeds the OCM data sheet.

RochesterElectronics, LLCiscommittedtosupplying

products that satisfy customer expectations for

quality and are equal to those originally supplied by

industry manufacturers.

The original manufacturer’s datasheet accompanying this document reﬂects the performance

and speciﬁcations of the Rochester manufactured version of this device. Rochester Electronics

guarantees the performance of its semiconductor products to the original OEM speciﬁcations.

‘Typical’ values are for reference purposes only. Certain minimum or maximum ratings may be

based on product characterization, design, simulation, or sample testing.

To learn more, please visit www.rocelec.com

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与74LS191D相关器件

型号	品牌	获取价格	描述	数据表
74LS191DCQM	FAIRCHILD	获取价格	Binary Counter, Synchronous, Bidirectional, TTL, CDIP16,
74LS191DCQR	FAIRCHILD	获取价格	Binary Counter, Synchronous, Bidirectional, TTL, CDIP16,
74LS191N	ROCHESTER	获取价格	Decade Counter,
74LS191NA+2	RAYTHEON	获取价格	Binary Counter, Synchronous, Bidirectional, TTL, PDIP16,
74LS192	ONSEMI	获取价格	PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
74LS192	HITACHI	获取价格	Synchronous Up/Down Decade Counters(dual clock lines)
74LS192	MOTOROLA	获取价格	PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
74LS192B	NXP	获取价格	Decade Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL
74LS192DCQR	FAIRCHILD	获取价格	Decade Counter, Synchronous, Bidirectional, TTL, CDIP16,
74LS192N	RAYTHEON	获取价格	Decade Counter, Synchronous, Bidirectional, TTL, PDIP16,

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